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Feb
5
awarded  Teacher
Feb
4
awarded  Critic
Feb
4
suggested rejected edit on Determine whether the following function is (a) injective and (b) surjective
Feb
4
revised Do we have $\int_{[0,1]^3} \min (x,y,z)\,dx\,dy\,dz=6\int_0^1\int_0^y \int_0^z x \,dz\,dy\,dx?$
added 104 characters in body; added 17 characters in body; edited body
Feb
4
comment Do we have $\int_{[0,1]^3} \min (x,y,z)\,dx\,dy\,dz=6\int_0^1\int_0^y \int_0^z x \,dz\,dy\,dx?$
Thanks for the hint. I just want to see if my formula correct or not.
Feb
4
revised Do we have $\int_{[0,1]^3} \min (x,y,z)\,dx\,dy\,dz=6\int_0^1\int_0^y \int_0^z x \,dz\,dy\,dx?$
deleted 3 characters in body
Feb
4
asked Do we have $\int_{[0,1]^3} \min (x,y,z)\,dx\,dy\,dz=6\int_0^1\int_0^y \int_0^z x \,dz\,dy\,dx?$
Feb
4
comment Given two-sided ideals $B$ and $C$ of a ring $A$, show that $BC \subseteq B \cap C$
OP has not yet accepted any answer.
Feb
3
comment Any solutions to problems in Harris book moduli of curves
thanks so much.
Feb
3
comment Given two-sided ideals $B$ and $C$ of a ring $A$, show that $BC \subseteq B \cap C$
@mathguy84 yes. I am not sure if this equality holds if we drop the condition the $A $ has a unit.
Feb
3
revised Given two-sided ideals $B$ and $C$ of a ring $A$, show that $BC \subseteq B \cap C$
added 10 characters in body; added 5 characters in body
Feb
3
revised Given two-sided ideals $B$ and $C$ of a ring $A$, show that $BC \subseteq B \cap C$
added 98 characters in body
Feb
3
answered Given two-sided ideals $B$ and $C$ of a ring $A$, show that $BC \subseteq B \cap C$
Feb
3
comment Given two-sided ideals $B$ and $C$ of a ring $A$, show that $BC \subseteq B \cap C$
I think you need A to be with a unit, then you have
Feb
3
asked Relation between
Jan
26
asked Any solutions to problems in Harris book moduli of curves
Dec
21
accepted If $u_k $ are all positive, and $\sum_{k>n} u_k < u_n $
Dec
21
accepted Solve the functional equation $f (2x)=f (x)\cos x$
Dec
21
revised Solve the functional equation $f (2x)=f (x)\cos x$
added 83 characters in body
Dec
21
comment Solve the functional equation $f (2x)=f (x)\cos x$
I did fix the issues, I am just reading this from original book in Arabic, and then I found a similar question in French. I am just practicing some problems in Analysis.